Fair Value Measurements - Liability Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Recurring Basis, Unobservable Input Reconciliation, Liability, Gain (Loss), Statement of Income [Extensible List]	Business Combination, Contingent Consideration Arrangements, Contingent Consideration Benefit	Business Combination, Contingent Consideration Arrangements, Contingent Consideration Benefit
Contingent Consideration
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 55,750	$ 76,709
Contingent consideration expense	3,161	(7,960)
Contingent payments made	(10,665)	(13,100)
Effect of foreign exchange	(12)	101
Ending balance	$ 48,234	$ 55,750